#C9E451#C9E451

#C9E451 is a very light, vivid yellow-green. Relative luminance 0.685; OKLCH L 87.2% C 0.172 H 119.0°. Best body text is #000000 at 14.70:1 contrast (WCAG AA passes).

Color values

HEX#C9E451
RGBrgb(201, 228, 81)
HSLhsl(71, 73%, 61%)
HSVhsv(71, 64%, 89%)
CMYKcmyk(11.8%, 0%, 64.5%, 10.6%)
CIE-LABlab(86.26, -28.39, 66.14)
CIE-LCHlch(86.26, 71.98, 113.23°)
OKLaboklab(87.18% -0.0833 0.1501)
OKLCHoklch(87.18% 0.172 119)
XYZxyz(53.3169, 68.4987, 18.1958)
Luminance0.6850 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C9E451 #6C51E4
analogous
#E4B551 #C9E451 #80E451
triadic
#C9E451 #51C9E4 #E451C9
tetradic
#C9E451 #51E4B5 #6C51E4 #E45180
square
#C9E451 #51E4B5 #6C51E4 #E45180
split-complementary
#C9E451 #5180E4 #B551E4
monochromatic
#88A219 #B5D721 #C9E451 #D9EC86 #EAF4BB

Accessibility & contrast

On white

1.43
#C9E451 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.70
#C9E451 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9E451
14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C9E451#FFFFFF#000000##000000
##C9E4511.001.4314.7014.70
#FFFFFF1.431.0021.0021.00
#00000014.7021.001.001.00
##00000014.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#F2D83D
Deuteranopia (green-blind)
#EFD85C
Tritanopia (blue-blind)
#D4D8C6
Achromatopsia (no color)
#D8D8D8

Design tokens & code

CSS
--color: #c9e451;
/* rgb */ color: rgb(201, 228, 81);
/* oklch */ color: oklch(87.2% 0.172 119.0);
Tailwind
colors: {
  custom: {
    50: '#dcec89',
    500: '#c9e451',
    950: '#000000',
  },
}
SCSS
$custom: #c9e451;
$custom-light: #dcec89;
$custom-dark: #000000;
JSON
{
  "hex": "#c9e451",
  "rgb": {
    "r": 201,
    "g": 228,
    "b": 81
  },
  "hsl": {
    "h": 71.02,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.87176,
    "c": 0.17163,
    "h": 119
  },
  "luminance": 0.68498
}

Semantic roles & 50–950 ramp

primary
#C9E451
secondary
#4935A4
accent
#10D534
background
#FEFEFC
surface
#FCFDF4
border
#D5D5CE
text
#15160C
muted
#84847F

Preview Lab

Preview with #C9E451

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#C9E451 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva